|



|
Models
available |
GR28
– GR33 – GR38 – GR47 – GR55 – GR72
|
| Flanges |
Group
1 – Group 2 (European, German, BKT, SAE-A)
Group
3 (European, SAE-B)
|
| Connections
|
GAS
– SAE ľ’ 5000 PSI
FL
4 HOLES M6 SU Ř40 DN20 (***)
|
| Installation
position |
External |
|
Shaft
rotation
|
Clockwise
|
| Shaft
speed |
Up
to 3.600 rpm
|
|
Displacements
– Flows
|
From
0,36 up to 11,22 in3/rev
From
2,73 up to 80,31 GPM (at 1750 rpm)
|
| Operating
pressure (*) |
Continuous:
3468
PSI
Cycle
ON/OFF:
3623
PSI
Peak:
4057
PSI
|
|
Inlet
pressure
|
11,5
– 29 PSI (****)
|
| Fluids
|
Mineral
oil HLP e HLVP
Ecologic
fluids HETG-HEPG-HEE
Synthetic
fluid or emulsion: (**)
HFA oil-water emulsion – oil minimum 20%
HFB
water-oil emulsion – oil minimum 20%
HFDR
phosphate ester
Lubrification
oils high viscosity (**)
Special
synthetic fluid: MIL-H, SKYDROL, special on request
|
|
Viscosity
|
Permissible
(**):
from 20 up to 800 cSt
Recommended:
from 24 up to 150 cSt
Starting
conditions (**): up
to 3.000 cSt
|
|
Environment
temperature
|
From
5° up to +140°F
|
|
Hydraulic
temperature
|
From
5° up to +176°F
|
|
Contamination
level
|
From
10 NAS (21/9/15 ISO4406) to 8 NAS (18/17/14 ISO4406)
for
heavy duty operations
(*****)
|
|
Filtration
|
Inlet
port: from 50 to 30 µm for heavy duty operations (*****)
Outlet
port: from 25 to 10 µm for heavy duty operations (*****)
|
|
Seals
|
NBR,
FPM, EPDM – Special on request
|
|
Noise
|
from
52 up to 68 dB(A) at 2.750 rpm
Value
based on ISO 4412 test procedure
|
|
Pump
body (standard)
|
Extruded
aluminium alloy
|
|
Screw
|
Case
hardened grinded steel
|
|
Maintenance
|
No
|
|
(*)
Test executed with Oil ISO VG46 (40°C) - 10μm
filtration
|
| (**)
Please contact the company to have further details |
| (***)
Available on certain models upon customer request |
| (****)
Up to 10 bar Shaft Seal available on certain models upon
request |
| (*****)
Heavy
Duty operation are defined as above 150bar , more than 4h/day,
more than 100 cycle/day, oil ISO 46 |